Target-Specific Convolutional Bi-Directional Lstm Neural Network For Political Ideology Analysis
WEB AND BIG DATA, APWEB-WAIM 2017, PT II(2017)
摘要
Ideology detection from text plays an important role in identifying the political ideology of politicians who have expressed their beliefs on many issues. Most existing approaches based on bag-of-words features fail to capture semantic information. And other sentence modeling methods are inefficient to extract ideological target context which is significant for identifying the political ideology. In this paper, we propose a target-specific Convolutional and Bi-directional Long Short Term Memory neural network (CB-LSTM) which is suitable in intensifying ideological target-related context and learning semantic representations of the text at the same time. We conduct experiments on two commonly used datasets and a well-designed dataset extracted from tweets. The experimental results show that the proposed method outperforms the state-of-the-art methods.
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关键词
Ideology detection, Ideological target, Convolutional neural network, Recurrent neural network
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